Table 1 lists the new and changed z/OS® UNIX callable
services. For details, see z/OS UNIX System Services Programming: Assembler Callable Services Reference.
| Callable service | Release | Description | Reason for change |
|---|---|---|---|
| BPX1BAS, BPX4BAS | z/OS V1R12 | New: This service binds the socket descriptor to the best source address. | This callable service binds the best source address for the provided destination IP address to an AF_INET6 socket descriptor. |
| BPX1CCS | z/OS V1R13 | Updated: Expand the BPXYCCA macro used by BPX1CCS to map the MsgAttributes parameter to include both supplied and returned CART/ConsoleID fields. | The user-supplied CART/ConsoleID fields allow a user to identify the console used by WTO to issue messages. |
| BPX1CPL | z/OS V2R1 | Updated: Two new values were added to the FunctionCode parameter. | Flash memory enhancement |
| BPX1EXC, BPX4EXC | z/OS V2R1 | Updated: An usage note was added. | Logging off unattended terminals |
| BPX1FCT, BPX4FCT | z/OS V2R1 | Updated: The SetCvtOff and SetCvtAll subcommands were updated. | Unicode exploitation |
| BPX1FSY, BPX4FSY | z/OS V2R1 | Updated: The usage notes were updated with Unicode Services information. | Unicode exploitation |
| BPX1GTH, BPX4GTH | z/OS V2R1 | Updated: A new usage note was added. | Pipes enhancement |
| BPX1LSK, BPX4LSK | z/OS V2R1 | Updated: The usage notes were updated with Unicode Services information. | Unicode exploitation |
 BPX1PTR, BPX4PTR |
z/OS V2R1 |
Updated: New parameter attributes were
added for new request parameters PT_THREAD_VR and PT_WRITE_VR. |
Vector registers support |
| BPX1RED, BPX4RED | z/OS V2R1 | Updated: The usage notes were updated with Unicode Services information. | Unicode exploitation |
| BPX1SPN, BPX4SPN | z/OS V2R1 | Updated: An usage note was added. | Logging off unattended terminals |